A kind of electrostatic and filter bag combined industrial dust removal equipment

Abstract

The present invention discloses an electrostatic and filter bag combined industrial dust removal equipment, comprising a cooling spray box and a filter bag dust removal device, wherein a partition plate is arranged in the cooling spray box, and a filter slot is provided on the partition plate, and an air inlet is provided on one side of the cooling spray box, and a spray pipe is connected to the inner top of the cooling spray box, and the spray pipe is connected to a liquid pump below the partition plate through a circulation pipeline, and the cooling spray box is arranged on a base, and exhaust fans are symmetrically arranged on the front and rear side walls of the cooling spray box, and a cover is fixedly connected to the outside of the exhaust fan. The electrostatic and filter bag combined industrial dust removal equipment is provided with an electric telescopic rod and an air pump, and under the mutual cooperation of the electric telescopic rod and the air pump, the air storage box will move up and down to spray air through the purge port to purge the dust attached to and blocked on the outer wall of the filter bag, thereby preventing the filter bag from being blocked by dust and causing the internal pressure of the filter bag dust removal device to be too high, and at the same time facilitating the enrichment of the functionality of the device.

Description

Technical Field

[0001] The invention relates to the technical field of industrial dust removal equipment, in particular to an electrostatic and filter bag combined industrial dust removal equipment. Background Art

[0002] Industrial dust removal equipment generally refers to dust removal devices used in coal-fired power plants, metallurgy, mining, cement, chemical industry, casting and other industries. The main function of dust removal equipment is to separate dust from flue gas. The performance of dust removal equipment is expressed by the amount of gas that can be processed, the resistance loss when the gas passes through the dust collector and the dust removal efficiency. According to the principle of action, the dust collector can be divided into electrostatic dust collector, bag dust collector and combined dust collector. The existing combined dust removal device is prone to high-temperature flue gas damaging the filter bag during dust separation, thereby affecting its service life. At the same time, the existing combined dust removal device is prone to filter bag clogging and excessive internal pressure, which poses a great safety hazard. In view of the above problems, it is necessary to improve the existing equipment. Summary of the invention

[0003] The purpose of the present invention is to provide an industrial dust removal equipment combined with electrostatics and filter bags, so as to solve the problem that the existing combined dust removal device proposed in the above background technology is prone to high-temperature flue gas damaging the filter bags during dust separation, thereby affecting its user convenience. At the same time, the existing combined dust removal device is prone to filter bag clogging and excessive internal pressure, thereby posing a major safety hazard.

[0004] To achieve the above object, the present invention provides the following technical solution: an electrostatic and filter bag combined industrial dust removal equipment, comprising a cooling spray box and a filter bag dust removal device,

[0005] A partition plate is provided in the cooling spray box, and a filter tank is provided on the partition plate, and an air inlet is provided on one side of the cooling spray box, a spray pipe is connected to the inner top of the cooling spray box, and the spray pipe is connected to the liquid pump under the partition plate through a circulation pipe, and the cooling spray box is arranged on the base, and exhaust fans are symmetrically provided on the front and rear side walls of the cooling spray box, and a cover is fixedly connected to the outside of the exhaust fan, and the cover is connected to a side wall of the electrostatic dust removal device through a first conveying pipe;

[0006] The filter bag dust removal device is connected to the other side wall of the electrostatic dust removal device through a second conveying pipe, and the filter bag dust removal device and the electrostatic dust removal device are both connected to the top of the base through a fixed frame, and at the same time, the filter bag dust removal device and the electrostatic dust removal device are both connected to a dust collecting device at the bottom, a filter bag is arranged in the filter bag dust removal device, and an equipment seat is arranged on one side of the filter bag dust removal device, a motor is arranged in the equipment seat, and the output end of the motor is connected to the protective cover and the purge assembly through a rotating frame.

[0007] Preferably, the filter sleeve is engaged in the filter tank, and filter holes are evenly formed on the filter sleeve;

[0008] By adopting the above technical solution, the filter sleeve plays a role in filtering impurities, thereby preventing the impurities washed down by the spray water from clogging the liquid pump.

[0009] Preferably, the spray pipes are evenly connected with spray heads, and the spray heads are inclined;

[0010] By adopting the above technical solution, the spray head can spray water onto the right side wall of the cooling spray box, and form a water curtain on the right side wall of the cooling spray box to cool the gas and reduce dust.

[0011] Preferably, a limit plate is provided on the inner side of the exhaust fan, and the limit plate is L-shaped, and the limit plate is fixedly connected to the cooling spray box and the front and rear side walls;

[0012] By adopting the above technical solution, it is easy to prevent the exhaust fan from discharging uncooled gas into the electrostatic dust removal device, thereby preventing high-temperature gas from damaging the filter bag, thereby extending the service life of the filter bag.

[0013] Preferably, the dust collecting device comprises a dust collecting hopper, and the dust collecting hopper is connected to the dust collecting box through a dust exhaust pipe, and an electric valve is connected to the dust exhaust pipe, and a dust collecting box is arranged in the dust collecting box;

[0014] By adopting the above technical solution, it is convenient for workers to clean the filtered and precipitated dust, and the entire cleaning process does not require the device to be stopped, and gas leakage will not occur.

[0015] Preferably, a sealing plate is provided on the outer side of the dust box, and the sealing plate is connected to the front side wall of the dust box by screws;

[0016] By adopting the above technical solution, the sealing performance of the device can be improved.

[0017] Preferably, the filter bags are installed in a ring array in the filter bag dust removal device, and a protective cover is provided on the top of the filter bag dust removal device, and exhaust holes are evenly opened on the top of the protective cover;

[0018] By adopting the above technical solution, the protective cover can prevent external pollutants from contacting the filter bag and causing contamination to the filter bag, thereby protecting the filter bag.

[0019] Preferably, the purge assembly comprises an electric telescopic rod, and the electric telescopic rod is arranged on the turntable, and the bottom end of the electric telescopic rod is connected to the air storage box, the side wall of the air storage box is evenly connected with the purge port, and the air storage box is connected to the air pump through a telescopic pipe;

[0020] By adopting the above technical solution, it is easy to clean the filter bag, thereby ensuring the normal use of the filter bag. At the same time, it can avoid the high pressure inside the device caused by clogging of the filter bag to a certain extent, thereby improving the safety of the device.

[0021] Preferably, the air storage boxes are distributed in a circular array below the turntable, and the turntable, the rotating frame, the protective cover and the motor constitute a rotating structure;

[0022] By adopting the above technical solution, it is convenient to realize the conversion and use of the protective cover and the purge assembly under the drive of the motor, thereby facilitating improving the automation level of the device.

[0023] Compared with the prior art, the invention has the following beneficial effects: the electrostatic and filter bag combined industrial dust removal equipment,

[0024] (1) A liquid pump is provided. Under the action of the liquid pump, the spray head at the bottom of the spray pipe continuously sprays water toward the right side wall of the cooling spray box, so that the water flowing on the side wall can be used to cool the high-temperature flue gas inertially discharged to the right side wall of the cooling spray box and spray to reduce dust, thereby preventing the high-temperature flue gas from damaging the filter bag, thereby ensuring the normal use of the device;

[0025] (2) A dust collecting device is provided. When the dust in the dust collecting box filtered by the electrostatic dust removal device and the filter bag dust removal device needs to be cleaned, the staff can close the electric valve in the dust collecting device, and then the dust collecting box can be pulled out of the dust collecting box by a detachable sealing plate, so as to prevent the staff from leaking gas when cleaning the dust, thereby preventing the high temperature gas from accidentally injuring the staff who are cleaning, and at the same time facilitating the optimization of the structure of the device;

[0026] (3) A limit plate is provided, which can block the exhaust fan, thereby preventing the exhaust fan from discharging the gas that has not been sprayed and cooled into the electrostatic precipitator, thereby facilitating full contact between the high-temperature gas and the spray water, thereby ensuring its cooling effect;

[0027] (4) A motor is provided, which can drive the turntable and the protective cover to rotate through the rotating frame, so that the protective cover and the purge assembly at the bottom of the turntable can be rotated to the filter bag dust removal device as needed, thereby facilitating the purge assembly and the protective cover to perform different operations on the filter bag dust removal device, and at the same time facilitating improving the automation level of the device;

[0028] (5) An electric telescopic rod and an air pump are provided. With the cooperation of the electric telescopic rod and the air pump, the air storage box will move up and down and spray air through the purge port to purge the dust clinging to the outer wall of the filter bag, thereby preventing the filter bag from being clogged by dust and causing the internal pressure of the filter bag dust removal device to be too high, and at the same time facilitating the improvement of the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the main cross-sectional structure of the present invention;

[0030] Figure 2 It is a schematic diagram of a top-view cross-sectional structure of the present invention;

[0031] Figure 3 It is a schematic diagram of the top view structure of the present invention;

[0032] Figure 4 It is a schematic diagram of the main structure of the present invention;

[0033] Figure 5 It is a schematic diagram of the overall structure of the connection relationship between the turntable, the electric telescopic rod, the air storage box and the purge port of the present invention;

[0034] Figure 6 It is a schematic diagram of the overall structure of the position distribution of the filter holes on the filter sleeve of the present invention.

[0035] In the figure: 1, cooling spray box, 2, partition plate, 3, filter tank, 4, filter sleeve, 401, filter hole, 5, air inlet, 6, spray pipe, 7, circulation pipeline, 8, liquid pump, 9, base, 10, limit plate, 11, exhaust fan, 12, cover, 13, first conveying pipeline, 14, electrostatic dust removal device, 15, dust collecting device, 1501, dust hopper, 1502, dust exhaust pipeline, 1503, dust collecting box, 1504, dust collecting box, 1505, electric valve, 16, fixing frame, 17, second conveying pipeline, 18, filter bag dust removal device, 19, filter bag, 20, protective cover, 21, equipment base, 22, motor, 23, turntable, 24, electric telescopic rod, 25, air storage box, 26, gas pipeline, 27, purge port, 28, air pump, 29, sealing plate. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1-6 The present invention provides a technical solution: an electrostatic and filter bag combined industrial dust removal equipment,

[0038] Embodiment 1

[0039] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6As shown, a partition plate 2 is provided in the cooling spray box 1, and a filter tank 3 is provided on the partition plate 2. At the same time, an air inlet 5 is provided on one side of the cooling spray box 1. A spray pipe 6 is connected to the inner top of the cooling spray box 1, and the spray pipe 6 is connected to a liquid pump 8 under the partition plate 2 through a circulation pipe 7. At the same time, the cooling spray box 1 is set on a base 9.

[0040] Specifically, the staff can use external extraction equipment or tools to clean the impurities filtered out on the partition plate 2 through the air inlet 5. At the same time, a drainage faucet is provided at the bottom of one side of the cooling spray box 1.

[0041] In a further embodiment, the filter sleeve 4 is engaged in the filter tank 3 , and filter holes 401 are evenly formed on the filter sleeve 4 .

[0042] Specifically, the filter sleeve 4 can block the impurities washed down by the spray water on the partition plate 2, and at the same time, the filtered water will be discharged to the liquid pump 8 through the filter hole 401, so that it can be circulated and used under the action of the liquid pump 8.

[0043] In a further embodiment, the spray pipe 6 is evenly connected with spray heads, and the spray heads are inclined.

[0044] Specifically, the spray head will continuously spray water onto the right side wall of the cooling spray box 1, thereby forming a cooling and dust reducing water curtain on the right side wall of the cooling spray box 1, thereby facilitating the use of the water curtain to help the gas to cool down and remove dust.

[0045] like Figure 2 , Figure 3 and Figure 4 As shown, exhaust fans 11 are symmetrically arranged on the front and rear side walls of the cooling spray box 1, and a cover 12 is fixedly connected to the outside of the exhaust fan 11. At the same time, the cover 12 is connected to a side wall of the electrostatic precipitator 14 through a first conveying pipe 13.

[0046] In a further embodiment, a limiting plate 10 is provided inside the exhaust fan 11, and the limiting plate 10 is L-shaped, and the limiting plate 10 is fixedly connected to the cooling spray box 1 and the front and rear side walls.

[0047] Specifically, the limit plate 10 is convenient for preventing the uncooled high-temperature gas that enters the cooling spray box 1 through the air inlet 5 from being discharged into the filter bag dust removal device 18 by the exhaust fan 11 to damage the filter bag 19.

[0048] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the filter bag dust removal device 18 is connected to the other side wall of the electrostatic dust removal device 14 through the second conveying pipe 17, and the filter bag dust removal device 18 and the electrostatic dust removal device 14 are both connected to the top of the base 9 through the fixing frame 16, and the bottom of the filter bag dust removal device 18 and the electrostatic dust removal device 14 are both connected to the dust collecting device 15, a filter bag 19 is arranged in the filter bag dust removal device 18, and an equipment seat 21 is arranged on one side of the filter bag dust removal device 18, a motor 22 is arranged in the equipment seat 21, and the output end of the motor 22 is connected to the protective cover 20 and the purge assembly through a rotating frame.

[0049] In a further embodiment, the filter bags 19 are installed in a ring array in the filter bag dust removal device 18, and a protective cover 20 is provided on the top of the filter bag dust removal device 18, and exhaust holes are evenly opened on the top of the protective cover 20.

[0050] Specifically, in actual use, the gas to be dusted will enter the cooling spray box 1 through the air inlet 5, and at the same time, under the action of inertia, the gas to be dusted will contact and collide with the right inner wall of the cooling spray box 1, so that it can be sprayed and cooled by the water curtain sprayed to the right inner wall of the cooling spray box 1 by the spray pipe 6, and at the same time, some impurities in the gas will settle on the partition plate 2 under the spraying action of the spray water, and the spray water that falls together with the impurities will be filtered by the filter sleeve 4 and will enter the spray pipe 6 again through the circulation pipe 7 under the drive of the liquid pump 8 for spraying, and the gas after spraying and cooling will enter the electrostatic dust removal device 14 and the filter bag dust removal device 18 in turn under the extraction action of the exhaust fan 11 for multi-stage separation and dust removal, and the separated dust will settle in the dust collecting device 15, and the gas after dust removal will be discharged to the outside through the exhaust hole on the top of the protective cover 20.

[0051] Embodiment 2

[0052] This embodiment is a further description of the above embodiment. It should be understood that this embodiment includes all the aforementioned technical features and is further described in detail.

[0053] In a further embodiment, the dust collecting device 15 includes a dust hopper 1501 , and the dust hopper 1501 is connected to a dust box 1503 via a dust exhaust pipe 1502 , and an electric valve 1505 is connected to the dust exhaust pipe 1502 , and a dust box 1504 is arranged in the dust box 1503 .

[0054] In a further embodiment, a sealing plate 29 is disposed on the outer side of the dust box 1504, and the sealing plate 29 is connected to the front side wall of the dust box 1503 by screws.

[0055] Preferably, a sealing ring is provided at the connection between the sealing plate 29 and the dust collecting box 1503 , and the dust collecting box 1503 is provided on the base 9 .

[0056] Specifically, the dust separated into the dust hopper 1501 by the electrostatic dust removal device 14 and the filter bag dust removal device 18 will be discharged into the dust box 1504 through the dust exhaust pipe 1502 under the action of gravity. When the dust in the dust box 1504 needs to be cleaned, the staff can close the electric valve 1505 to stop the circulation of dust and airflow, and then remove the screws to remove the sealing plate 29, so that the dust box 1504 can be pulled out of the dust box 1503 for cleaning.

[0057] Embodiment 3

[0058] This embodiment is a further description of the above embodiment. It should be understood that this embodiment includes all the aforementioned technical features and is further described in detail.

[0059] like Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, the purge assembly includes an electric telescopic rod 24, and the electric telescopic rod 24 is arranged on the turntable 23. At the same time, the bottom end of the electric telescopic rod 24 is connected to the air storage box 25, the side wall of the air storage box 25 is evenly connected with the purge port 27, and the air storage box 25 is connected to the air pump 28 through the telescopic pipe 26.

[0060] Preferably, the number of air storage boxes 25 and filter bags 19 is the same, and the distribution positions of the air storage boxes 25 on the turntable 23 correspond to the distribution positions of the filter bags 19 in the filter bag dust removal device 18.

[0061] In a further embodiment, the air storage boxes 25 are distributed in a circular array below the turntable 23, and the turntable 23, the rotating frame, the protective cover 20 and the motor 22 constitute a rotating structure.

[0062] Specifically, when the filter bag 19 needs to be cleaned, the motor 22 will drive the turntable 23 and the protective cover 20 to rotate through the rotating frame until the turntable 23 is above the filter bag dust removal device 18, and then the electric telescopic rod 24 pushes the air storage box 25 to move down and extend into the filter bag 19. At the same time, the air pump 28 will discharge air into the air storage box 25 through the telescopic pipe 26. The airflow entering the air storage box 25 will be blown to different positions of the filter bag 19 through the purge port 27 to purge and dust it, thereby blowing off the pollutants attached to the filter bag 19 to enable it to work normally.

[0063] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0064] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrostatic and filter bag combined industrial dust removal device, comprising a cooling spray box (1) and a filter bag dust removal device (18), characterized in that: The cooling spray box (1) is provided with a partition plate (2), and a filter tank (3) is provided on the partition plate (2); an air inlet (5) is provided on one side of the cooling spray box (1); a spray pipe (6) is connected to the inner top of the cooling spray box (1), and the spray pipe (6) is connected to a liquid pump (8) below the partition plate (2) through a circulation pipe (7); the cooling spray box (1) is arranged on a base (9); exhaust fans (11) are symmetrically provided on the front and rear side walls of the cooling spray box (1), and a cover (12) is fixedly connected to the outer side of the exhaust fan (11); and the cover (12) is connected to a side wall of the electrostatic dust removal device (14) through a first delivery pipe (13); The filter bag dust removal device (18) is connected to the other side wall of the electrostatic dust removal device (14) through a second conveying pipe (17), and the filter bag dust removal device (18) and the electrostatic dust removal device (14) are both connected to the top of the base (9) through a fixing frame (16), and the bottoms of the filter bag dust removal device (18) and the electrostatic dust removal device (14) are both connected to a dust collecting device (15), a filter bag (19) is arranged in the filter bag dust removal device (18), a protective cover (20) is arranged on the top of the filter bag dust removal device (18), and exhaust holes are evenly opened on the top of the protective cover (20); a device seat (21) is arranged on one side of the filter bag dust removal device (18), and the device seat (21) ) is provided with a motor (22), and the output end of the motor (22) is connected to the protective cover (20) and the purge assembly through a rotating frame, the purge assembly includes an electric telescopic rod (24), and the electric telescopic rod (24) is arranged on the rotating disk (23), and the bottom end of the electric telescopic rod (24) is connected to the air storage box (25), the side wall of the air storage box (25) is evenly connected with a purge port (27), and the air storage box (25) is connected to the air pump (28) through a telescopic pipe (26), the air storage box (25) is distributed in a ring array below the rotating disk (23), and the rotating disk (23), the rotating frame, the protective cover (20) and the motor (22) constitute a rotating structure.

2. The electrostatic and filter bag combined industrial dust removal equipment according to claim 1 is characterized by: The filter sleeve (4) is engaged in the filter tank (3), and filter holes (401) are evenly arranged on the filter sleeve (4).

3. The electrostatic and filter bag combined industrial dust removal equipment according to claim 1 is characterized by: The spray pipe (6) is evenly connected with spray heads, and the spray heads are inclined.

4. The electrostatic and filter bag combined industrial dust removal equipment according to claim 1 is characterized in that: A limiting plate (10) is arranged on the inner side of the exhaust fan (11), and the limiting plate (10) is L-shaped. The limiting plate (10) is fixedly connected to the cooling spray box (1) and the front and rear side walls.

5. The electrostatic and filter bag combined industrial dust removal equipment according to claim 1 is characterized in that: The dust collecting device (15) comprises a dust collecting hopper (1501), and the dust collecting hopper (1501) is connected to a dust collecting box (1503) via a dust exhaust pipe (1502), and an electric valve (1505) is connected to the dust exhaust pipe (1502), and a dust collecting box (1504) is arranged in the dust collecting box (1503).

6. The electrostatic and filter bag combined industrial dust removal equipment according to claim 5 is characterized in that: A sealing plate (29) is provided on the outer side of the dust collecting box (1504), and the sealing plate (29) is connected to the front side wall of the dust collecting box (1503) via screws.

7. The electrostatic and filter bag combined industrial dust removal equipment according to claim 1 is characterized in that: The filter bags (19) are installed in a ring array in the filter bag dust removal device (18).

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